Using highly advanced optimization algorithms, optistruct can solve the most complex optimization problems with thousands of design variables in a short period of time. Transforming the way companies design products and. A direct approach to structural topology optimization semantic scholar. If the job was successful, new results files can be seen in the directory where the optistruct model file was written. Nonlinear optimization of suspension link for optimal. Compare the mass of the initial structure and that of the optimized structure in hypermesh.
The software that will be used are the preprocessor hypermesh, the optimization tool optistruct and the postprocessor hyperview, all of them products of altair engineering. Methodology for topology and shape optimization in the. Objective min mass free shape defined along the flange edges 7 design iterations to converge 2hrs 45 mins with 48 cores ddm free shape design interpretation using hm 2017 free shape data from optimization was. When the run has completed, from the optistruct panel, click on the hyperview button to launch the postprocessing report carm. Optimization with optistruct direct learning webinar series 2016 duration. Finally, for the optimization go to analysisoptistruct.
Design optimisation using optistruct optistruct for structural optimisation 2 day training course altair optistruct is an implicit finite elements solver and market leading febased optimisation tool widely adopted across a variety of industries including not. Define an upper bound constraint on the disp response for the pothole loadcase of 0. Pdf optistruct optimization gonzalo anzaldo munoz academia. Comparison of some commercial software systems for. Optistruct is the industry standard for the optimization of topology, composites, mechanisms and additive manufactured parts, but over the past three decades, it has evolved into a comprehensive linear and nonlinear analysis solution, delivering the functionality that customers of traditional nonlinear implicit codes expect coupled with the. Topology optimization of a control arm altair connect. You can keep it in your computer, read it as a pdf file, print it recommended or take it wherever you want on a usb pen drive.
Select the directory where you would like to save the database and enter the name for the database, hook. This is because data inputs for the software are compatible with nastran and the outputs are the familiar punch and op2 files. Submit the job to optistruct new results files can be seen in the directory where the optistruct model file was. Pdf optistruct 2017 tutorials and examples gonzalo. Open a new hypermesh session, choose optistruct as user profile and load the skateboard. This page lets you optimize and compress pdf files to decrease file size, e. Optistruct user guide pdf download pdf manual free. Optistruct and hyperview which are parts of the software suite hyperworks from. Define an upper bound constraint on the disp response for the brake loadcase of 0. When to use 2 d elements, family of 2 d elements, how not to mesh, quality checks of 2d elements.
Basic knowledge of fem finite element method and fea finite element analysis. Optistruct s optimization technology is simply the best in the world. Multiobjective topology optimization of a compliant parallel. This is achieved by exploring the problem of minimizing the mass of a mounting plate for an aerospace vehicle. The processing of multiobjective optimization and analysis with hyperworks altair engineering, inc. Psd analysis of an arm bracket using optistruct youtube. Submit the optimization run from the optistruct panel as carm. In this study, the backrest frame design is optimized for multiple load cases including. Altair was founded by james r scapa, george christ, and mark kistner in 1985. Altair optistruct manufacturing constraints support for multiplematerial topology optimization all manufacturing constraints are supported for multiple materials topology optimization mmat from v2019. They provide product design and engineering solutions, enterprise services, data analytics, iot and cloud computing. Different manufacturing constraints could be applied to different candidate materials in the same design domain.
Optistruct is a proven, modern structural solver with comprehensive, accurate and scalable solutions for linear and nonlinear analyses across statics and dynamics, vibrations, acoustics, fatigue and multiphysics disciplines. Click optistruct in analysis page to perform the optimization run. Snapfit optimization for achieving desired insertion and retention forces learn more. In the optistruct panel under the analysis page, ensure that the export options. With this tool, you can upload and optimize multiple files at the same time batch processing. To use the default settings, choose standard from the settings menu, and then skip to step 6. Skateboard tutorial altair optistruct altair forum. If you change any settings in the pdf optimizer dialog box, the settings menu automatically switches to custom. Optistruct as solver for topology optimization part1. Design variable and linking response and constraint set up automation for single model and optimization 6.
Templex solver can be used to process the template file and the output can be sent to a monitor, to another file, hypergraph or to other output streams. The pre processing was executed with hypermesh, the postprocessing with hyperview and. Export meaningful states to an optistruct modell get locationdirection of forces from 2. Structural optimization using optistruct concepts, analysis, and optimization for general structures. Freeshape optimization of a 3d bracket using the free. Optimization is performed with varying boundary conditions and materials to observe their effect on resulting topologies and design performance. Optimizationenabled structural analysis altair optistruct. Experience and knowledge in using structural optimization. Mesh the geometry take sometime and observe the geometry.
Topology optimization of vehicle body structure diva portal. With a strong focus on accuracy, speed and scalability, and easeofuse, altair optistruct 2019 adds significant new functionality for nonlinear analysis, detailed output options for improved diagnostics, large scale parallelization through gpu support, and new design. Note that by default optistruct creates an html file summarizing the analysis and writes a hypermesh results file. Optistruct as solver for size optimization part1 using. Optistruct for optimization optimization using optistruct this is an introductory course for using optistruct for optimization in the product design process. Open the pdf optimizer dialog box file save as other optimized pdf, or go to tools optimize pdf, and click advanced optimization. User guide to the optimization code optistruct optistruct optimization 10 training manual mar 01, 2011 transcript of optistruct optimization 10 training manual free shape optimization no userdefined shape perturbation vector is necessary. In this case, optistruct can still be embedded into an engineering workflow for its optimization capabilities. Peter haensch, optimization specialist, eurocopter gmbh, germany.
For a freesize optimization optistruct automatically creates a. Mass, stiffness, optimization, topology, optistruct, biw, fem 1. Simply supported beam bending exercise using hyperbeam. Gauge optimization is used to optimize the thickness of a design space. The software helped us to achieve substantial weight savings.
Hello im new to hyperworks and would like to learn via tutorials, especially optistuct and hypermesh for ply and composite analysis and optimisation. Topology optimization of a hook with stress constraints. Pdf practical aspects of structural optimization, a study guide. The input files can be created using any text editor or word processor that can save a file in ascii format. It is the industryleading and most widely used solution for structural design and optimization. In this study, topology optimization of a vehicle front structure has been performed using optistruct by altair engineering. The profound impact of optimization was extended to earlyphase concept designers with the embedding of optistruct technology into solidthinking inspire. Based upon the topology of the load paths, which optistruct defines, the paper then details the development of the concept through to a detailed design.
Simply drag and drop or upload a pdf document to reduce the size and make it simpler to work with. Our pdf compression tool quickly reduces the size of your pdf file so its easier to share. Designs created with optimization as a basis result in much better alignment of performance with aesthetic and ergonomic design intent. Another output that is often useful in modal analysis is element strain energies. Pdf optimizer will not change the resolution of your files. Academic program practical aspects of structural optimization a study guide released 052014 table of contents 1 celebrating 20 years of optistruct. Post processing in hyperview open the results in hyperview for post. Single model multi attribute analysis and optimization. Altair hyperworks is the most comprehensive openarchitecture simulation platform, offering bestinclass technologies to design and optimize high performance, efficient and innovative products. Download file endesign optimization for am in optistruct with consideration of oha in topology optimization. Click optistruct to run the optimization, exporting the. Combine models in optistruct to an mmo, using design space identification via.
H3d use the output control card analysis control cards. Finally, for the optimization go to analysis optistruct save the file first and then click on optistruct d. Ossmooth surfaces from a topology optimization the purpose of this exercise is to export from hypermesh the optimized control arm mesh and geometry obtained from topology optimization. Verifying the result with hand calculations theory 2d. Optistruct strength optistruct fatigue optistruct pre processing fatigue set up solver dac,rpc,rsp file channel handling within solver post processing. Developing miniature circuit breakers with a multi. Students will learn optimization concepts and do handson exercises for topology, topography, size, and shape optimizations. It is better to maintain working directory to organize file and avoid confusion. Psd analysis in optistruct using frequency response process. Methodology for topology and shape optimization in the design.